1995 Buick Riviera 3.8L No StartVIN: 1G4GD2213SVehicle came into the shop from two other shops. I could
not get it started and neither could they. We get one spark
out of the coil when we began cranking. We lose spark right
thereafter. It will not fire again until we turn the key
off and crank again. It wi...

2000 Buick Regal LS 3.8L passlockVIN: 2G4WB55KXYVehicle came to shop with no start condition.Vehicle would
not crank.Tested starter, found no power to s terminal.
checked pcm for codes , found code present for passlock
security problem, dealer stated key and tumbler had to be
changed.did as sujested still h...

1989 Chevrolet S10 Blazer Sport 4.3L No StartVIN: 1GNCS18ZXKHello Fellow Techs,
I have one that's really puzzling me and wanted to see if
anyone has come across this. The customer stated that he
was going down the road and the vehicle stalled on him and
wouldn't restart. When I got it in would crank, have fuel
and inj...

1995 Chevrolet Tiltmaster 5.7L Stall, MIL Lamp onVIN: 4KBB4B1A4SThis vehicle came in with all the related repairs already
done to it. I am fixing it for another garage. The vehicle
starts up and runs great all day long. As soon as you put
it in gear after it is hot it stalls. I can drive the
vehicle all day long as long as...

1995 Chevrolet Lumina APV 3.8L Cuts out, MisfireVIN: 1GNDU06L5SVehicle is a recent addition to a car lot. Van will cut out
whenever it wants, no pattern, and will restart with no
problem. Apparently the previous owner had problems because
it already had new crank and cam sensors. Tried a crank
sensor because I had a 3.8 w...

2000 Chevrolet Impala LS 3.8L lr wheel speed sensorVIN: 2G1WH55K2Yvehicle came in with abs light on and trac control light on
checked for codes found code c1234 left rear wheel speed
sensor open or short to ground tested system and wiring
tested good, replaced ebcm same problem replace sensor
twice. what am i overlooking. th...

2002 Chevrolet Corvette Z06 5.7L Pedal heightVIN: 1G1YY12S92This Vette suffers from a decreasing height of brake pedal
over approximately a 2 week period. Dealer has attempted
repair, but had less success and made less headway than we
have made. We have verified lower pedal height and slightly
spongy pedal and replaced...

1992 GMC Jimmy SLE 4.3L pedal creeeps to floorVIN: 1GKCS13W3NAfter doing all of the above, the pedal was better and
seemed to work. ON the test drive I hit the brakes hard at
a high rate of speed, but not enough to engage the ABS. 5o
yards later the pedal hit the floor and the abs and brake
lights came on. I had no brak...

1997 Pontiac Grand Prix GT 3.8L valvetrain ?VIN: 1G2WP12K7VHello, This car has what sounds like a lifter noise, kind
of tick squeak noise, worse when hot. Rockers stay
tight,lifters do not bleed down. The noise seems loudest on
the rocker bolt on cylinders # 3,5,6 or could it transfer
up from the balance or cam shaft....

1999 Pontiac Grand Am GT 3.4L Hesitation, Surge, MIL Lamp onVIN: 1G2NW52E9XHi This is my first posting. This vehicle has P0327 code.
Knock sensor and wiring test good. Alldata and Mitchell say
if P0327 code is present with no 24X signal and no cam
signal to use p0336 power and ground diagnosis. Found no
power at Red/White wires (powe... Trouble codes: P0327

2004 Pontiac montana 3.4L wind noiseHi everyone hope holloween went well, My wifes Montana has
a howling/whistling noise from the left front dash area at
higher speeds or when there is outside wind. I thought I
fixed it by removing the top cargo bars but this weekend we
drove it and I heard it f...

1999 Cadillac Catera 3.0L MIL Lamp onVIN: W06VR54R0XReplaced Mass Air Flow Sensor last week and customer has
not been back. Almost everyone recommended replacing the
MAF and many said that they do several every week. I guess
Cadillac/Saturn/Saab/Opel had a problem with these systems.
By the way I called Snap On... Trouble codes: 171 (System too lean bank 1), 174 (system too lean bank 2).

1965 Chevrolet corvette 350CID radioVIN: 194375S120The radio and dash speaker came out just as descibed in the
detailed instructions. It was a great help on such an old
vehicle to not have to remove any more than necessary as to
avoid damaging any trim pieces or dash components. Special
thanks to Brent in Utah...

1999 Chevrolet Tahoe 5.7L Cuts out, StallReplaced distributor cap with new one. there was a
tremendous amount of corrosion around the center post of
the distributor cap. The engine has been running for over
four hours without stalling.

1999 Chevrolet K1500 Suburban 5.7L Hesitation, Misfire, MIL Lamp onVIN: 1GNFK16R0XThe fix for this vehicle turned out to be the dist. cap and
rotor. Customer told us the car had been tuned, and we did
see new wires and plugs. He said cap and rotor were changed
also, so we did not look. Big mistake. Because one of the
replies said use deco c... Trouble codes: 300 (cylinder 4 shows misfires).

2000 Chevrolet Suburban 1500 LT 5.3L absVIN: 3GNFK16T7Ythank you to all the replies i received, like many of you
had said, the vehicle speed from the front wheel sensors
were different, scope tested and found a glitch with the
driver's side front sensor, owner had requested that both
be replaced, we did and he dro...

2000 Chevrolet Silverado 1500 4.8L Poor Fuel EconomyVIN: 2GCEC19V3YThanks for the replies, Got some interesting info. I
questioned the customer till he got mad and found out he
thinks his truck has a 30 gallon tank. He got really mad
when he was told he has a 34 gallon. I think it is better
to get a customer mad than waste my...

2001 Chevrolet Tahoe 5.3L transfer caseVIN: 1GNEK13T71Gentleman,
First of all thanks for the good input, actual cause
however turned out to be electrical connector for motor
control 'a' circuit in a 4-pin connector at the transfer
case shift control module. The connector pin was damaged
and would only make part...

2003 GMC Yukon SLT 325CID RotorsVIN: 1GKEK13222The customer has taken the vehicle back to the dealer and
they are going to warranty the brakes for them as customer
satisfaction. From the replies I have gotten the excessive
wear is cause by road muck getting on the passenger side of
the rear brakes and GM h...

1989 Pontiac 6000 LE 2.5L Surge, Cuts out, StallVIN: 1G2AF51R7Kfirst of all thanks for all the great help! after checking
all my previous steps over again i decided to try a delco
module as some one suggested. it fixed the problem! after
two after-market modules the gm one fixed it. im sorry i
dont have more time to spend... Trouble codes: 42 (est problem).

1997 Pontiac Sunfire SE 2.2L Excessive Emissions, MIL Lamp on, GAS SMELLVIN: 1G2JB5240Vsorry for the delay for my post i just wanted to make sure
it was fixed. it turned out to be the purge solinoid under
the intake was not working and allowing the comp to purge
gas fumes. i replace the purg valve and canister and all is
well.
thanks again joh... Trouble codes: P0440 (evap system leak).

2001 Pontiac Aztek 3.4L Fuel GaugeVIN: 3G7DA03E41Good Morning, I got alot of hits on this subject..Thanks to
all who responded.It seems this will be a common problem
with GM senders.Kennith and Andrew mentioned a poor surface
connection and poor tension on sweep arm ( Seems like it
may be worth the gamble to...